CN101538936B - Hydraulic slip-and-lift construction method for water tower - Google Patents
Hydraulic slip-and-lift construction method for water tower Download PDFInfo
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- CN101538936B CN101538936B CN2009100429016A CN200910042901A CN101538936B CN 101538936 B CN101538936 B CN 101538936B CN 2009100429016 A CN2009100429016 A CN 2009100429016A CN 200910042901 A CN200910042901 A CN 200910042901A CN 101538936 B CN101538936 B CN 101538936B
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Abstract
The invention discloses a hydraulic slip-and-lift construction method for a water tower. The construction method comprises the following steps: the foundation construction of the water tower, the tube-supporting construction of the water tower, the water-tank construction and the tail-in construction, wherein, the tube-supporting construction is realized by the hydraulic slip-form construction method which particularly comprises the following steps: pre-installation check, the assembly of the hydraulic slip-form device, slip-form jacking-up, head-tube construction, the disassembly of the hydraulic slip-form device and the like; and the water-tank construction is realized by the hydraulic lifting construction method which particularly comprises the following steps: prefabricating the water tank, assembly of the hydraulic lifting device, lifting the water tank, in-situ water-tank construction, disassembling the hydraulic lifting device and the like. The construction method of the invention have the advantages of stable construction quality, high construction safety, easily controllable construction schedule, high construction efficiency, low construction cost and the like.
Description
Technical field
The present invention relates to a kind of job practices of engineering construction, relate in particular to a kind of engineering construction method of water tower.
Background technology
Water tower is a kind of traditional water storage structure, occupies critical role in infrastructure, especially is widely used in the special trade that iron and steel and nonferrous smelting etc. needs great lot of water resources to store for future use.Along with progress of science and technology and expanding economy, the design level of construction work, people are improving constantly requirement attractive in appearance, and the outward appearance of water tower also develops into hyperbola from English, back taper hull shape, sphere.In the engineering construction process of water tower, can safety, economical, be the target that engineers and technicians do one's utmost to pursue with large-tonnage hyperbola water tank etc. (for example＞500t water tank) location and installation efficiently always.
In the engineering construction of water tower, the construction of water tower branch barrel and water tank is again particularly crucial two procedures.
As shown in Figure 1, traditional water tower branch barrel construction is that derrick 14 supports in setting up in water tower branch barrel 1, draw high a tube template 16 with manual chain block 15 again, the shortcoming of this job practices mainly shows the following aspects: one, and water tower branch barrel concrete wall surface drawing crack phenomenon is serious; Its two, water tower branch barrel concrete wall easily produces " wearing skirt " phenomenon; Its three, the construction safety aspect can not get effective guarantee, the construction safety hidden danger of existence is more; Its four, construction speed is slow, efficiency of construction is low, when construction environment was comparatively abominable, the duration more seemed awkward.In addition, consider that traditional job practices needs to rent large quantities of steel pipes in the engineering location, and along with the rising of water tower branch barrel needs manually not stop to set up derrick, the expenditure of labour cost and cost of materials is bigger from the angle of construction cost.Therefore traditional job practices and used construction equipment not only are difficult to guarantee the stability of construction quality, and cause the high of construction cost, have been difficult to satisfy in the modern production general requirements to high standard, low cost.
As shown in Figure 2, traditional water tank job practices is to take the formwork bracing system of all round victory scaffold 17 as water tank 2 around water tower branch barrel 1, finishes the transportation of template, reinforcing bar and the cast in situs work of water tank by the feeding system 19 of outer derrick 18.This job practices exists following obvious defects and deficiency:
(1) the scaffold building workload is big, and construction has high input, inefficiency;
(2) the vertical transport route is long, has a strong impact on the construction period;
(3) work high above the ground potential safety hazard is more, as bad weathers such as strong wind, then can not construct;
(4) the hyperbola water tank is bulky, complex contour, and work high above the ground is difficult to control each construction parameter;
(5) concreting is long blanking time, high-altitude maintenance difficulty, and there is hidden danger in workmanship, is difficult to guarantee the impervious requirement of water tank.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, provide that a kind of construction quality is stable, working security is good, construction speed is easily controlled, the sliding lift construction method of hydraulic pressure of efficiency of construction height, water tower that construction cost is little, also be provided for hydraulic slip-form device, hydraulic lifting apparatus and hanger rod connecting piece in the sliding lift construction method of this hydraulic pressure.
For solving the problems of the technologies described above, the technical scheme that the present invention proposes is the sliding lift construction method of a kind of hydraulic pressure of water tower, described job practices comprises water tower foundation construction, water tower branch barrel construction, water tank construction and four steps of engineering ending, it is characterized in that described water tower branch barrel construction is to finish by the hydraulic sliding mould construction method, this hydraulic sliding mould construction method specifically may further comprise the steps:
(1) checks before the dress: after treating that the water tower foundation construction is finished, along the bearing of trend of water tower branch barrel reinforcing bar and various built-in fitting are installed in barrel construction place near the basis, and the every inspection before constructing, after meeting the requirements, begin to install hydraulic slip-form device from basic rim of a cup end face;
(2) installation of hydraulic slip-form device: earlier from the basic rim of a cup end face stud of upwards pegging graft, and, place a central tube in the water tower branch barrel center of design then, enclose the radiation beam at peripheral affixed one of central tube by design pitch colligation arc of horizon muscle on stud; An affixed circle connects column below the radiation beam, lays laminate to form a sliding-mode platform above the radiation beam; An affixed internal mold bracing frame on the central tube outer wall below the radiation beam is installed hydraulic control panel, hydraulic pressure climbing device and fluid pressure line on sliding-mode platform then, and to the interspersed sliding formwork support bar in hydraulic pressure climbing device center; Prop up the outer steel mould that a moulding is used in described connection column installed inside again, prop up the interior punching block that the tube moulding is used peripheral installation of described internal mold bracing frame, and support the vertical pay-off of a cover by the top truss that set up the central tube top; At last the sliding formwork framework that has installed is upwards sliding thereunder hang again after rising a height connect in hanger and pylon, finish the installation of whole hydraulic slip-form device;
(3) sliding formwork jacking: carry out the facility linkage test earlier after the hydraulic slip-form device assembling finishes, after the facility linkage test is qualified, begins to carry out first floor and prop up building of barrel; Promote inside and outside punching block by described hydraulic slip-form device after having built first floor, build the second layer again and prop up barrel, constantly repeat the sliding formwork jacking operation of this step, reach design height until the water tower branch barrel of having built;
(4) first construction of tube and hydraulic slip-form device are dismantled: after the sliding formwork jacking was finished, a tube tube head and the first column of tube again constructed; Remove described hydraulic slip-form device after construction is finished, and carry out the construction of subsequent step.
In the sliding formwork jacking step of technique scheme, the concrete operations operation that described hydraulic slip-form device promotes inside and outside punching block is: after one deck concreting in the inside and outside punching block finishes, open all hydraulic fuel tap on the fluid pressure line, send oil to give the hydraulic pressure climbing device by hydraulic control panel, the hydraulic pressure climbing device is subjected to upwards to climb along described sliding formwork support bar behind the oil pressure, climb transfer behind the height in, leveling, oil return also stops to climb, and builds next layer concrete again.
In the technique scheme, described water tank construction specifically may further comprise the steps:
(1) water tank is prefabricated: after the water tower branch barrel construction finishes, at the prefabricated water tank of elder generation on a ground of tube;
(2) installation of hydraulic lifting apparatus: water tank is prefabricated finish after, one ring beam base is fixed on the first column of reserving at a tube top of tube, on the ring beam base, ring holder is installed, affixed steel perimeter beam down on ring holder, circumferentially evenly fix several hydraulic jack in following steel perimeter beam upper edge, placing steel perimeter beam on the hydraulic jack; One circle suspension rod assembly is installed on upper and lower steel perimeter beam then, is made the suspension rod assembly pass upper and lower steel perimeter beam and hang to connect with prefabricated water tank; Finish the installation of whole hydraulic lifting apparatus;
(3) water tank hoisting: before at described hydraulic lifting apparatus the back being installed, promoting, carry out real lotus pressure testing test and oil circuit overvoltage test, begin to carry out the lifting of water tank after qualified on inspection; Make the described steel perimeter beam of going up of hydraulic jack jacking when beginning to promote earlier, and the suspension rod assembly that drive is stuck on the steel perimeter beam rises, treat to make the suspension rod assembly be stuck in down the steel perimeter beam place simultaneously after hydraulic jack is finished a stroke, allow the hydraulic jack oil return then, last steel perimeter beam falls after rise thereupon, make again on the last steel perimeter beam after the suspension rod assembly is stuck in falling simultaneously, finish once promoting circulation; Repeat this step and continue to promote, and in lifting process, constantly shorten the suspension rod assembly, until water tank hoisting is arrived design height;
(4) water tank construction in place and hydraulic lifting apparatus are removed: when water tank hoisting behind design height, water tank is fixed in the water tower branch barrel top, the principle dismounting hydraulic lifting apparatus of tear open according to pacify afterwards earlier at last, load-supporting part being removed behind the first link.
In the water tank hoisting step of technique scheme, the concrete operation method that once promotes circulation is: at first by the upper cap nut that is enclosed within on the suspension rod assembly suspension rod assembly is stuck on the steel perimeter beam, make steel perimeter beam in the logical oil pressurization of the described hydraulic jack jacking then, last steel perimeter beam drives whole suspension rod assembly by the jacking upper cap nut and rises, and the suspension rod assembly drives its bottom and hangs the water tank rising that connects; After treating that described hydraulic jack is finished a stroke, by the following nut that is enclosed within on the suspension rod assembly suspension rod assembly is stuck in down on the steel perimeter beam simultaneously, allows the hydraulic jack oil return then, last steel perimeter beam falls after rise with hydraulic jack; Make on the last steel perimeter beam after the suspension rod assembly is stuck in falling again by adjusting back described upper cap nut at last, finish once promoting circulation.
The suspension rod assembly of technique scheme comprises the lifting screw mandrel of its top setting, the lifting round bar and the hanger rod connecting piece of the continuous spreading in lifting screw mandrel below, the concrete operation method that shortens the suspension rod assembly in the described water tank hoisting step is: after the lifting screw mandrel at described top rises to the top, hanging the lifting screw mandrel from the top does not fall down it, untie hanger rod connecting piece then and unload next root lifting round bar, to lift screw mandrel again and transfer, again by in the hanger rod connecting piece continued access with unloaded adjacent other two rod members of lifting round bar.
In the technique scheme, the technical essential of water tank construction includes:
1. the concrete intensity of water tank should reach 80% before the lifting;
2. should try to hang (carrying out) before the formal lifting, earlier water tank be hung the about 300mm in ground when examination is hung, check oil piping system, each rod member behind the static pressure 12h and lift big frame, could formally lift after all are normal with the safety and steady of guaranteeing hoisting process;
3. in the hoisting process, should unify command when adjusting nut up and down, the corresponding to number of turns is guaranteed in strictness, and is stressed evenly to guarantee the suspension rod assembly;
4. in the hoisting process, the shortening changing-over bar of suspension rod assembly should the strict regulation of carrying out four one group, must guarantee that 3/4 suspension rod assembly is stressed during promptly each changing-over bar.
The present invention also provides a kind of hydraulic slip-form device that is used for above-mentioned job practices, it is characterized in that: described hydraulic slip-form device comprises skeleton supporting member, hydraulic control panel, hydraulic pressure climbing device and vertical pay-off; The internal mold bracing frame of described skeleton supporting member by an annular is affixed with an interior punching block that the tube moulding is used, described in punching block peripheral be provided be used for an outer steel mould of tube moulding be by a circle connect column and the skeleton supporting member affixed; Described internal mold bracing frame below is lifted with hanger in, and the skeleton supporting member below of described connection column periphery is lifted with pylon; Described hydraulic pressure climbing device is fixed on the skeleton supporting member, and the projection of hydraulic pressure climbing device on horizontal plane drop between punching block and the outer steel mould, the hydraulic pressure climbing device is communicated with hydraulic control panel on being arranged on the skeleton supporting member by conduit under fluid pressure; Described vertical pay-off is erected on the top truss of skeleton supporting member top.
Skeleton supporting member in the above-mentioned hydraulic slip-form device is the center radiation shape, and it comprises central tube and radiation beam, and an end of every radiation beam is fixed on the central tube outer wall, and the other end extends to external radiation; The inboard of described internal mold bracing frame is fixed on the central tube outer wall of radiation beam below, and the inwall of the outside of internal mold bracing frame and described interior punching block is affixed; The radiation beam that described connection column is corresponding with it respectively is vertical affixed, and it is affixed respectively to connect the outer wall of the inboard of column and described outer steel mould.
Hydraulic pressure climbing device in the above-mentioned hydraulic slip-form device is the wedge shape jack, and an affixed wedge shape jack on every radiation beam, and the center of each wedge shape jack is interspersed with plan and is embedded in sliding formwork support bar in the water tower branch barrel in advance.
The present invention also provides a kind of hydraulic lifting apparatus that is used for above-mentioned job practices, it is characterized in that: described hydraulic lifting apparatus comprises jacking member, Force transmission parts and suspension rod assembly, described jacking member is by the Force transmission parts supporting of its below, and described Force transmission parts is set up in the water tower branch barrel top of having constructed and by a tube supporting; Described jacking member comprises steel perimeter beam, following steel perimeter beam and is located at the middle hydraulic jack of upper and lower steel perimeter beam; The top of described suspension rod assembly is passed the upper and lower steel perimeter beam of jacking member and is stuck on the upper and lower steel perimeter beam by nut, and the bottom of suspension rod assembly is connected with the water-tower water tank of intending lifting.
In the above-mentioned hydraulic lifting apparatus, arrange evenly more than the quantity of described suspension rod assembly is two groups and along hoop that each group suspension rod assembly comprises lifting screw mandrel, lifting round bar and hanger rod connecting piece; Described lifting screw mandrel is located at every group of suspension rod assembly top and is vertically interted described upper and lower steel perimeter beam, on the lifting screw mandrel above the last steel perimeter beam, be screwed with upper cap nut, on the lifting screw mandrel between last steel perimeter beam and the following steel perimeter beam, be screwed with nut down, described lifting screw mandrel below is connected with many lifting round bars by hanger rod connecting piece, connects by hanger rod connecting piece between the described many lifting round bars; The lifting round bar of every group of suspension rod assembly bottom setting passes the preformed hole on the water-tower water tank, and is connected with water-tower water tank by end nut.
In the above-mentioned hydraulic lifting apparatus, the base of described hydraulic jack places down in the U-lag of steel perimeter beam end face setting, the top of hydraulic jack be bearing in the steel perimeter beam bottom surface affixed with U-lag that match in the top in, to reach the effect of fixed hydraulic jack.
The stressed pathway of above-mentioned hydraulic lifting apparatus is: in water-tower water tank lifting work progress, water tank is stuck in the bottom of suspension rod assembly by the end nut on the suspension rod assembly, the weight transfer of water tank is given the lifting round bar, upwards be transmitted to the lifting screw mandrel again, the lifting screw mandrel arrives the jacking member by upper cap nut and following nut with the water tank weight transfer, and finally is transmitted on the tube of water tower by the Force transmission parts of jacking member by its below.
The present invention also provides a kind of hanger rod connecting piece that is used for above-mentioned job practices, it is characterized in that described hanger rod connecting piece includes the detachable vertically adapter sleeve of cuff and; Described adapter sleeve outer wall is provided with a boss, and adapter sleeve inside offers one can hang the groove that club head matches with two of adjacent butt joint, and adapter sleeve is coated on two joints that hang club head by this groove; Described cuff is sheathed on the adapter sleeve periphery and is located by boss.Plan should be provided with the bar head of a sectional area greater than the suspension rod sectional area with the two ends of the suspension rod that this hanger rod connecting piece connects.When the suspension rod of intending connecting was round bar, the bar head of described suspension rod can adopt the cylindrical bar head, the cylinder-like structure of band cylinder shape groove in described adapter sleeve can be designed to, and adapter sleeve can half-and-half split; Described boss then is designed to be fixed in the annular boss structure on the outer wall of adapter sleeve bottom, and described cuff is annular cuff, and cuff can be positioned on the annular boss after being set in the adapter sleeve outside.
Compared with prior art, the invention has the advantages that:
At first, utilize the water tower branch barrel of the inventive method and hydraulic slip-form device construction, its construction technology is simplified greatly, and speed of application obviously improves; Utilize hydraulic slip-form device of the present invention that water tower branch barrel is constructed; can organize double shift to carry out continuously uninterrupted operation according to design, duration and quality requirement; per tour was in 12 hours; normal sliding formwork speed can reach 4m～6m/ class; do not stay constuction joint; effectively guarantee the construction works quality, labor intensity of operating personnel also obviously alleviates.The water tower branch barrel workmanship of building up after the construction is stable, all meets national building engineering construction quality specifications through check, and construction technology of the present invention is safe and reliable simultaneously, can significantly reduce the probability of happening of great production safety accident after the application.
Secondly, utilize the water-tower water tank of the inventive method and hydraulic lifting apparatus construction, can realize the prefabricated on the spot of water tank, work high above the ground reduces, and construction safety hidden danger is little, and water tank construction quality height, be not prone to leak, problem such as infiltration; Use hydraulic lifting apparatus lifting water-tower water tank of the present invention to need not to set up again a large amount of scaffolds, save material, reduce cost; In addition, hydraulic lifting apparatus of the present invention can improve efficiency of construction greatly, alleviates constructor's labour intensity, and is time saving and energy saving.
Therefore, construction technology of the present invention and device have overcome in the prior art scaffolding consumption and greatly, have easily produced shortcomings such as mass defect, time-consuming, effort, potential safety hazard are many, have tangible economic benefit and social benefit.With a 1000m
3The water tower of/40m is an example, compares with traditional construction technology, can save about about 150,000 yuan of labour cost and equipment leasing expense, and the construction period can shorten about about 30 days.
Description of drawings
Fig. 1 is the construction view of traditional water tower branch barrel job practices;
Fig. 2 is the construction view of traditional water-tower water tank job practices;
Fig. 3 is the fundamental diagram of a jacking of hydraulic lifting apparatus of the present invention circulation;
Fig. 4 is the construction view of water tank construction of the present invention;
Fig. 5 is the hydraulic slip-form device structural representation of the embodiment of the invention;
Fig. 6 is the hydraulic slip-form device vertical view of the embodiment of the invention;
Fig. 7 is the operating principle schematic diagram of embodiment of the invention wedge shape jack;
Fig. 8 is the jacking member in the embodiment of the invention and the vertical view of Force transmission parts;
Fig. 9 is the assembling schematic perspective view of embodiment of the invention middle hanger connector;
Figure 10 is the assembling schematic perspective view of upper cap nut in the embodiment of the invention, following nut;
Figure 11 is the scheme of installation of hydraulic jack in the embodiment of the invention;
Figure 12 is the partial enlarged drawing at A place among Fig. 5.
Marginal data:
1, props up tube 11, interior punching block
12, outer steel mould 13, the first column of tube
14, interior derrick 15, manual chain block
16, prop up tube template 17, scaffold
18, outer derrick 19, feeding system
2, ring beam on water tank 21, the water tank
22, ring beam in water tank upper casing 23, the water tank
24, water tank lower casing 25, water tank lower ring
26, material receiving 27, vertical transport gin pole
28, the tube first derrick 29, gin pole circles round
3, hydraulic slip-form device 31, skeleton supporting member
311, central tube 3111, last central tube
3112, following central tube 312, radiation beam
3121, upper strata radiation beam 3122, lower floor's radiation beam
313, radiation beam retainer plate 314, internal mold bracing frame
315, connect column 316, interior hanger
317, pylon 318, safety net
319, railing 32, hydraulic control panel
33, hydraulic pressure climbing device 331, sliding formwork support bar
34, vertical pay-off 341, cage
342, hoist engine 343, wire rope
344, pulley 345, top truss
346, truss support bar 347, dragline
35, arc of horizon muscle 36, template retainer plate
4, hydraulic lifting apparatus 41, jacking member
411, go up steel perimeter beam 412, following steel perimeter beam
413, hydraulic jack 42, Force transmission parts
421, ring beam base 422, ring holder
43, suspension rod assembly 431, lifting screw mandrel
432, lifting round bar 4321, cylindrical bar head
433, hanger rod connecting piece 4331, adapter sleeve
4332, cuff 4333, annular boss
434, upper cap nut 435, following nut
436, end nut 437, jam nut
The specific embodiment
Embodiment:
Certain steel mill's water tower is designed to 1000m
3The steel concrete hyperbola insulation water tower of/40m, the dischargeable capacity of water-tower water tank is 1000m
3, the lowest water level of storage of water is 40m in the tower, the water tank appearance of water tower is a camber line shape.Present embodiment adopts biliquid to press the combination cunning to put forward construction technology (promptly propping up the prefabricated hydraulic pressure lift construction technology of a hydraulic sliding mould construction technology and water tank) this water tower is constructed.
The water tower construction works of present embodiment is mainly constructed by Foundation Design, a tube construction, water tank and engineering finishes up, and four parts are formed.The basis of water tower is reinforced concrete circular rim of a cup basis, falls within 6-1 and remains on the chiltern argillic horizon bearing capacity of foundation slab f
k=180kpa, embeded depth of foundation are 3.5m, and the sole plate diameter is 19000mm, and basic concrete strength grade is C20.As shown in Figure 4, a tube 1 of water tower is a steel reinforced concrete tube structure, and the external diameter of a tube 1 is 5600mm, the wall thickness that props up tube 1 is 300mm, have the daylighting oeil de boeuf along a short transverse of tube 1 stack shell, in be provided with eight layers of steel structure platform, a tube concrete strength grade of 1 is C30; The water tank 2 of water tower is as the water storage member, mainly combined by ring beam 23 (prestressing without bondn), water tank lower casing 24 (back taper shell) and water tank lower ring 25 in ring beam 21, water tank upper casing 22 (positive conical shell), the water tank on transom window top cover and insulation layer, the water tank.The housing of water tank lower casing 24 is a camber line shape, and the ratio of rise to span of water tank upper casing 22 housings is 1: 4.The concrete strength grade of water tank 2 is C35, and impervious grade is S8.
The construction of above-mentioned water tower is as follows:
1, foundation construction
A conventional module and cast-in-situ method construction is adopted on water tower basis, working procedure comprises successively that location unwrapping wire, excavation of foundation pit, ground evaluation and check of foundation subsoil, cushion layer concrete are built, reinforcing bar binding, installation foundation forms, earthing pole are installed, pre-buried, the basic concrete of cage dowel build, underground utilities installation, grounding resistance measurement and backfill.
2, prop up the tube hydraulic sliding mould construction
The water tower branch barrel 1 of present embodiment is to adopt no derrick hydraulic sliding mould construction method to construct, and this job practices need be used a cover as Fig. 5～hydraulic slip-form device 3 shown in Figure 7.This hydraulic slip-form device 3 comprises skeleton supporting member 31, hydraulic control panel 32, hydraulic pressure climbing device 33 and vertical pay-off 34.Skeleton supporting member 31 is basic frameworks of whole hydraulic slip-form device 3, be the center radiation shape, mainly comprise central tube 311 (central tube of present embodiment is designed to be made of last central tube 3111 and following central tube 3112) and radiation beam 312 (present embodiment is designed to the double-deck radiation girder construction of upper strata radiation beam 3121 and lower floor's radiation beam 3122), one end of lower floor's radiation beam 3122 is fixed in down on the outer wall of central tube 3112 by radiation beam retainer plate 313 and bolt, one end of upper strata radiation beam 3121 directly is fixed in down on the top exterior walls of central tube 3112 by bolt, and the other end of radiation beam 312 extends to external radiation.Central tube 311 peripheries of lower floor radiation beam 3122 belows are connected with the internal mold bracing frame 314 of an annular, and the interior punching block 11 that internal mold bracing frame 314 peripheries are used by template retainer plate 36 and bolt and water tower branch barrel 1 moulding is affixed.Every group of radiation beam 312 (a upper strata radiation beam 3121 and corresponding lower floor's radiation beam 3122 are one group) couples together by a vertical column 315 (channel-section steel making) that is connected, and the outer steel mould 12 that connection column 315 inboards are used by template retainer plate 36 and bolt and water tower branch barrel 1 moulding is affixed.Below internal mold bracing frame 314 by bolt hang be connected to one circular in hanger 316, below the radiation beam 312 of connection column 315 peripheries, hang the pylon 317 that is connected to an annular, interior hanger 316 and pylon 317 belows are connected with safety net 318.Hydraulic control panel 32 and hydraulic pressure climbing device 33 are the dynamical system and the turning joint of whole hydraulic slip-form device 3, and hydraulic pressure climbing device 33 is communicated with hydraulic control panel 32 on being arranged on skeleton supporting member 31 by conduit under fluid pressure.Control the synchronization of jacking up of each hydraulic pressure climbing device 33 during construction by hydraulic control panel 32.Present embodiment is to select for use wedge shape jack (model is selected QYD-36 for use) as hydraulic pressure climbing device 33, an affixed wedge shape jack on the every radiation beam 312, two wedge shape jack that are provided with on every group of radiation beam 312 on same plumb line, and the projection of wedge shape jack on horizontal plane drop in punching block 11 and outer steel mould 12 centres; Each wedge shape jack upwards climbs by biting a sliding formwork support bar 331, and then drive whole skeleton supporting member 31 and promote, prop up the inside and outside punching block of tube 1 and also promote thereupon with the moulding that is used for that skeleton supporting member 31 is affixed, thereby realize continuous placing (the operating principle schematic diagram of wedge shape jack as shown in Figure 7) water tower branch barrel 1.Sliding formwork support bar 331 is plugged on the reinforcing bar of building in the tube 1 during for construction, and along with constantly climbing of wedge shape jack continuous spreading (by the welding spreading).Vertical pay-off 34 is erected on the top truss 345 of skeleton supporting member 31 tops, vertical pay-off 34 mainly comprises cage 341, hoist engine 342, wire rope 343 and pulley 344, and its basic working method is to utilize hoist engine 342 haulage cable group landing cages 341 to finish the transportation up and down of used material and constructor in the construction.The turning to and fix a point to support and mainly realize by pulley 344 is set of wire rope 343, cage 341 belows are anchored by dragline 347 and ground.For ease of knowing figure, auxiliary parts such as truss support bar 346, internal mold bracing frame 314 have been omitted among Fig. 6.
The hydraulic sliding mould construction that props up tube 1 mainly comprises following step:
(1) checks before the dress: after treating that the water tower foundation construction is finished, along the bearing of trend of water tower branch barrel 1 reinforcing bar and various built-in fitting are installed in barrel construction place near the basis, every inspection before beginning then to construct, comprise and check water tower basis axis, absolute altitude, inspection is stretched out quantity, position, the length of reinforcement foundation and the pre-buried via hole of constructing and is had or not and miss phenomenon, and whether the position of the various built-in fittings of using when checking construction and practice of construction be consistent or the like.Finish before back, above-mentioned hydraulic slip-form device 3 begin assembling in every inspection, all component and fittings of this device and inside and outside punching block are conscientiously checked and checked, after meeting the requirements, begin to install a whole set of hydraulic slip-form device 3 from basic rim of a cup end face.
(2) installation of hydraulic slip-form device: earlier from the basic rim of a cup end face stud of upwards pegging graft, and by design pitch (200mm) the arc of horizon muscle 35 (as shown in figure 12) that colligation 1.2m is high on stud, central tube 3112 (its bottom bed hedgehopping when following central tube 3112 is in place under place water tower branch barrel 1 center of design then, so that follow-up connection column 315 parts such as grade are installed), lower floor's radiation beam 3122 is enclosed by template retainer plate 36 and bolt affixed in periphery at following central tube 3112, top periphery at following central tube 3112 installs a circle upper strata radiation beam 3121 by bolt, forms pair of lamina radiation girder construction; Each affixed channel-section steel is made at every group of radiation beam 312 middle parts with radiation beam 312 vertical be connected column 315, each connects column 315 and is linked to be an integral body by connector, on connection column 315 inner surfaces the template retainer plate 36 that is used for fixing outer steel mould 12 is installed; Then, to set up into a sliding-mode platform, railing 319 is installed at lower floor's radiation beam 3122 upper berth laminates in the sliding-mode platform periphery; At the following central tube 3112 peripheral affixed internal mold bracing frames 314 of bolt of using, the template retainer plate 36 of punching block 11 in the installation of the periphery of internal mold bracing frame 314 is used for fixing; Central tube 3111 on affixed one above following central tube 3112 is set up top truss 345 at last central tube 3111 tops then, and top truss 345 is by 346 supports of truss support bar; Hydraulic control panel 32, hydraulic pressure climbing device 33 (wedge shape jack) and fluid pressure line are installed again, then to the interspersed sliding formwork support bar 331 (Φ 25 reinforcing bars) in wedge shape jack center on sliding-mode platform; At template retainer plate 36 places that connect on the column 315 outer steel mould 12 is installed again, punching block 11 in install at template retainer plate 36 places on internal mold bracing frame 314, and inside and outside punching block adjusted to the appropriate location; Vertical pay-off 34 is installed at last, and is anchored dragline 347.The sliding formwork framework that installed is sliding thereunder hang again after rising certain altitude connect in hanger 316 and pylon 317, and below inside and outside hanger coating safety net 318, whole hydraulic slip-form device 3 all installs.This hydraulic slip-form device 3 has been assembled the back with all wedge shape jack end faces of level gauge levelling, makes skeleton supporting member 31 planes keep strict level.
(3) sliding formwork jacking: carry out the facility linkage test earlier after hydraulic slip-form device 3 assemblings finish, after the facility linkage test is qualified, begin to carry out building of a sliding formwork jacking and a tube 1.As shown in Figure 7, at first, concreting in inside and outside punching block, the concrete of being built are to adopt cage 341 material loadings, and uniform distribution is gone into mould and built behind the material loading; After finishing, first floor concreting begins to carry mould; unclamp dragline 347 when carrying mould and beginning earlier; and check whether all hydraulic fuel tap is opened; hydraulic control panel 32 send oil to give stressed wedge shape jack then; the wedge shape jack is subjected to upwards to climb along sliding formwork support bar 331 behind the oil pressure; carry begin behind the mould 250mm to transfer in, leveling is (during normal sliding the liter; carry the mould height and be not more than 300mm); oil return is to oil pump; stop sliding the liter, (building of every layer concrete highly is about 250～300mm) to continue to build second layer concrete again.In whole jacking, build in the process, in time spreading stud and sliding formwork support bar 331 on the tube 1 of having built, and on stud, continue colligation arc of horizon muscle 35, and the spreading of sliding formwork support bar 331 adopts butt joint to tie up the bar weldering, and the spreading and the laid reinforcement binding of sliding formwork support bar 331 hocket.When carrying mould reinforcing bar binding and spreading speed with put forward mould speed and adapt, all colligation is good to enter the superiors' arc of horizon muscle 35 behind the steel form.Carrying out when water tower branch barrel 1 builds tube 1 a concrete wall magma press polish of depanning on hanger 316 and the pylon 317 in the construction workman stands in, tube 1 barrel that the circulation maintenance has been built.Constantly repeat the sliding formwork jacking operation of this step, reach design height until water tower branch barrel 1.
(4) first construction of tube and sliding form apparatus dismounting: after the sliding formwork jacking is finished, in a tube 1, reserve the hole and set up horizontal gird as the support for shuttering interim tower inner platform of constructing, the first and first column 13 of construction tube on interim tower inner platform; Promptly remove hydraulic slip-form device 3 after construction is finished, and carry out the construction of subsequent step.The dismounting of hydraulic slip-form device 3 follow pacify afterwards earlier tear open, the principle of load-supporting part dismounting behind the first link.
3, the hydraulic pressure lift of water tank construction
The construction of water tank 2 is to adopt water tank pre-formed on ground around a tube, by hydraulic lifting apparatus water tank 2 is lifted to a job practices of tube 1 top installation in position.Need to use cover hydraulic lifting apparatus 4 as shown in Figure 4 in the construction of water tank 2, this hydraulic lifting apparatus 4 comprises jacking member 41, Force transmission parts 42 and suspension rod assembly 43 3 parts.Force transmission parts 42 comprises ring beam base 421 (steel) and ring holder 422, ring beam base 421 is fixed on the first column 13 of tube at water tower branch barrel 1 top, ring holder 422 is fixed in ring beam base 421 tops, jacking member 41 is fixed in ring holder 422 tops, and jacking member 41 is by Force transmission parts 42 supportings.Jacking member 41 comprises steel perimeter beam 411, following steel perimeter beam 412 (upper and lower steel perimeter beam diameter, shape identical) and be located at the hydraulic jack 413 (present embodiment select for use model be YQ-50) of upper and lower steel perimeter beam centre, following steel perimeter beam 412 is fixed in ring holder 422 tops, and be connected with ring beam base 421 by ring holder 422, following steel perimeter beam 412 diameters are greater than the diameter of ring beam base 421; As shown in figure 11, the base of hydraulic jack 413 is embedded in down in the U-lag of steel perimeter beam 412 end faces setting, is welded with the U-lag that matches with hydraulic jack 413 tops in last steel perimeter beam 411 bottom surfaces, with the further firm hydraulic jack 413 from top.As shown in Figure 8, be provided with 14 hydraulic jack 413 in the jacking member 41 of present embodiment altogether, and 14 hydraulic jack 413 distribute evenly along circumferential between upper and lower steel perimeter beam; Between adjacent two hydraulic jack 413, be provided with six groups of suspension rod assemblies 43 (three groups of each each symmetric arrangement of hydraulic jack 413 both sides), be evenly distributed with 84 groups of suspension rod assemblies 43 on the whole upper and lower steel perimeter beam, every group of suspension rod assembly 43 passes the upper and lower steel perimeter beam of jacking member 41 and is stuck on the upper and lower steel perimeter beam by nut, and the bottom of suspension rod assembly 43 is affixed with the water-tower water tank 2 of intending lifting.For the ease of the structure and the working method of more clear demonstration hydraulic lifting apparatus 4, in Fig. 4, omitted middle uniform suspension rod assembly 43, only provided the structure and the connected mode of two groups of suspension rod assemblies 43 of view both sides.Above-mentioned hydraulic jack 413 is to be 600kg/cm with maximum working pressure (MWP)
2High-pressure oil pump be used as power, make the hydraulic pressure oil pipeline with the seamless steel pipe of Φ 11 * 2.
Every group of above-mentioned suspension rod assembly 43 comprise a lifting screw mandrel 431 (specification is T40 * 6-2, silking 2.7m, No. 45 steels are done), lifting round bar 432 (No. 45 steel,
Round steel is made) and hanger rod connecting piece 433, lifting screw mandrel 431 is located at suspension rod assembly 43 tops and is vertically passed the upper and lower steel perimeter beam of jacking member 41, is connected with the lifting round bar 432 of its below.Lifting screw mandrel 431 total length 3m, on the lifting screw mandrel 431 above the last steel perimeter beam 411, be screwed with upper cap nut 434, on the lifting screw mandrel 431 between last steel perimeter beam 411 and the following steel perimeter beam 412, be screwed with nut 435 down, the bottom of lifting screw mandrel 431 connects lifting round bar 432 by hanger rod connecting piece 433, and lifting round bar 432 belows are by some liftings of hanger rod connecting piece 433 spreadings round bar 432.Lifting round bar 432 has 2m long par and 0.5m, 1.0m, 1.5m the different stock of three kinds of length, the lifting round bar 432 of four kinds of different lengths be laid in evenly and at intervals in order suspension rod assembly 43 the bottom (for example along 84 groups of suspension rod assemblies of hoop by 1～84 serial number, the 1st, 2,3,4 groups of suspension rod assembly bottoms are provided with a 0.5m respectively, 1.0m, 1.5m, 2.0m the lifting round bar finish a circulation, so repeating 20 circulations more all evenly lays until the lifting round bar of four kinds of different lengths), all use par (2m) to be connected spreading (employed par quantity constantly changes according to the height that water tank 2 promotes) between the lifting screw mandrel 431 at the lifting round bar 432 of bottommost and top, thereby the hanger rod connecting piece 433 of the every group of suspension rod assembly 43 that stagger (as shown in Figure 3, present embodiment to stagger apart from F be 0.5m), so that unloading in the bar process at lifting water tank 2, only lay down equally distributed 1/4 lifting round bar 432 at every turn, guarantee that all the other lifting round bars 432 of 3/4 can bear water tank gravity.The lifting round bar 432 of bottommost passes the preformed hole on the water-tower water tank 2, and is connected with water tank 2 by an end nut 436.In the concrete practice; quantity according to the gravity and the suspension rod assembly of water tank; length, the quantity of different stock, the hanger rod connecting piece that can design the shared ratio (present embodiment is 3/4) of stressed suspension rod component count when unloading bar, the lifting round bar voluntarily parameters such as distance that stagger, but do not influence the protection domain of this patent with this type of technological parameter.
As shown in Figure 9, above-mentioned hanger rod connecting piece 433 includes columnar adapter sleeve 4331 and cuff 4332, this columnar adapter sleeve 4331 is half-and-half to assemble, and an end is provided with an annular boss 4333, present embodiment lifting round bar 432 two ends are equipped with the cylindrical bar head 4321 of a diameter greater than lifting round bar 432 diameters, then offer a groove that can match with two cylindrical bar heads 4321 of adjacent butt joint on the inwall of adapter sleeve 4331, adapter sleeve 4331 is coated on the joint of two cylindrical bar heads 4321 by this groove.The using method of this hanger rod connecting piece 433 is: the cylindrical bar head 4321 of two lifting round bars 432 crashes up and down earlier, wrap the bar head of the two lifting round bars 432 that crashed again with the adapter sleeve 4331 that half-and-half separates, and the chucking of the groove by establishing in the adapter sleeve 4331, entangle adapter sleeve 4331 with cuff 4332 at last and be fixed on the annular boss 4333 of adapter sleeve 4331 lower ends.The end that should note being provided with annular boss 4333 during adapter sleeve 4331 at parcel down.In concrete practice, hanger rod connecting piece 433 can also be designed to other shape or connected mode.In the present embodiment above-mentioned upper cap nut 434 and following nut 435 also be designed to as shown in figure 10 with the similar structure of hanger rod connecting piece 433.Different is, described upper cap nut 434 and following nut 435 are to be enclosed within on the lifting screw mandrel 431, and block upper and lower steel perimeter beam by it and play the effect of locating suspension rod assembly 43, therefore need not offer groove on the inwall of former adapter sleeve, and directly be processed into female thread structure so that be enclosed within on the lifting screw mandrel 431.
The hydraulic pressure lift construction of water tank 2 mainly may further comprise the steps:
(1) water tank is prefabricated: after a tube 1 construction finished, at prefabricated water tank 2 on a ground of tube 1, concrete job practices is: set up the template that water tank is made outrigger and water tank lower ring 25 earlier, the reinforcing bar in the colligation water tank lower ring 25 was buried built-in fitting underground; Set up all round victory handling frame then, the external mold and the support of upright water tank lower casing 24, the reinforcing bar of colligation water tank lower casing 24, truss in installing carries out the installation of water tank internal mold again, builds the concrete of water tank lower casing 24; And then water tank upper casing 22 truss are installed, and the template of upright water tank upper casing 22, the reinforcing bar of colligation water tank upper casing 22 is built the concrete of water tank upper casing 22, form removal, concrete curing; Carrying out the appearance of water tank 2 at last decorates.The inside and outside template of water tank lower casing 24 adopts wooden model, and the external mold of water tank lower casing 24 is divided into 48 standard forms according to the profile of water tank 2, and internal mold is corresponding to be divided into 24, and template all adopts steel truss to support.
(2) installation of hydraulic lifting apparatus: on water tank 2, set up a material receiving 26 after the water tank prefabricated construction is finished, set up a vertical transport gin pole 27 in water tank 2 outer rims, build the first derrick 28 of tube and the gin pole 29 that circles round at tube 1 top of having constructed, and utilize these interim hanging devices of setting up to carry out the vertical transport of material and the installation of follow-up hydraulic lifting apparatus 4.Set up after finishing ring beam base 421 is fixed on the first column 13 of the reinforced concrete tube that the construction of tube 1 top is reserved, ring holder 422 is installed, affixed steel perimeter beam 412 down on ring holder 422,14 hydraulic jack 413 are circumferentially evenly fixed on the edge above following steel perimeter beam 412, last steel perimeter beam 411 is placed on hydraulic jack 413 tops, and the U type groove that welds on last steel perimeter beam 411 bottom surfaces entangles the top of hydraulic jack 413; Begin to install suspension rod assembly 43 then, hang the lifting screw mandrel 431 of top earlier, make lifting screw mandrel 431 pass the preformed hole of offering on the upper and lower steel perimeter beam, be screwed with upper cap nut 434 on the lifting screw mandrel of last steel perimeter beam 411 tops to block steel perimeter beam 411 in good time, with the stressed steel perimeter beam 411 that is delivered to of suspension rod assembly 43; Be screwed with down nut 435 on the lifting screw mandrel 431 between last steel perimeter beam 411 and the following steel perimeter beam 412 to block down steel perimeter beam 412, with the stressed steel perimeter beam 412 that is delivered to down of suspension rod assembly 43 in good time; Hang lifting round bar 432 with hanger rod connecting piece 433 in the lower end of lifting screw mandrel 431 then, and continue with hanger rod connecting piece 433 continuous spreading lifting round bars, until reaching desired lifting length in lifting round bar 432 lower ends; The lifting round bar 432 of bottommost passes the reservation circular hole of water tank 2 bottoms, and fixes water tank 2 with end nut 436.Hydraulic pressure supporting facility such as oil piping system are installed at last, make the jacking of its control hydraulic jack 413.In addition, the top of lifting screw mandrel 431 also is screwed with jam nut 437, to play the effect that protection suspension rod assembly 43 does not fall downwards.
(3) water tank hoisting: before at hydraulic lifting apparatus 4 back being installed, promoting, carry out 36 hours real lotus pressure testing test and oil circuit overvoltage test, effect is put forward in examination observed, begin formally to carry out the lifting of water tank 2 after qualified on inspection.Once the operating principle of lifting circulation as shown in Figure 3, Fig. 3 (a) is the original state of jacking circulation, this moment, upper and lower nut was stuck on the upper and lower steel perimeter beam, make steel perimeter beam 411 in the hydraulic jack 413 logical oil pressurization jackings when beginning to promote earlier, the frictional force of upper cap nut 434 and 431 of screw mandrels of lifting of utilizing last steel perimeter beam 411 realizes going up steel perimeter beam 411 and drives upper cap nuts 434, upper cap nut 434 and drive lifting screw mandrels 431, lifting screw mandrel 431 and drive the interlock of nut 435 and water tank 2 down and rise, shown in Fig. 3 (b); Treat to back out nut 435 downwards to following steel perimeter beam 412 places after hydraulic jack 413 is finished a stroke S, suspension rod assembly 43 is subjected to the height after the support of hydraulic jack 413 and last steel perimeter beam 411 rests on rising at this moment, shown in Fig. 3 (c); Allow hydraulic jack 413 oil returns then, last steel perimeter beam 411 falls after rise thereupon, but suspension rod assembly 43 is stuck in down on the steel perimeter beam 412 by following nut 435 at this moment, thereby suspension rod assembly 43 does not descend with the falling of last steel perimeter beam 411, following steel perimeter beam 412 becomes stressed member, shown in Fig. 3 (d); And then upper cap nut 434 sentenced and block steel perimeter beam 411 simultaneously to being screwed onto steel perimeter beam 411 next time, thereby finish jacking circulation, shown in Fig. 3 (e).Along with hydraulic jack 413 continual jackings back and forth, the height of lifting screw mandrel 431 can be more and more higher, therefore behind lifting screw mandrel 431 rising certain altitudes (for example rise and lift the height L of round bar 432), need to transfer, and suspension rod assembly 43 of the present invention can further realize lifting the dismounting of transferring, lifting round bar 432 and the continued access of screw mandrel 431.Owing to all be by hanger rod connecting piece 433 flexible connections between the adjacent lifting round bar 432 and between lifting screw mandrel 431 and the lifting round bar 432, so after lifting screw mandrel 431 rises to the top, untie a hanger rod connecting piece 433 of its below, and unload next root lifting round bar 432, to lift screw mandrel 431 then and transfer, lifting round bar adjacent in the continued access can be realized.The quantity of dismounting lifting round bar should determine that prerequisite is to guarantee that the stressed lifting round bar of not dismantling 432 is enough to bear the gravity of water tank 2 according to the stressing conditions of quantity, distribution and the water tank 2 of concrete engineering middle hanger assembly each time; Simultaneously, each dismounting lifting round bar down should be uniformly-spaced to arrange along upper and lower steel perimeter beam cross-wise direction, with the stressed uniformity of assurance water tank 2.Repeat this step, until water tank 2 is risen to design height.
(4) water tank construction in place and hydraulic lifting apparatus are removed: should slow down hoisting velocity after water tank 2 rises to design height, when definite water tank 2 all temporary fixed steel corbels can both installation in place, stop the lifting of water tank 2, and temporary fixed steel corbel in time is installed.A temporary fixed steel corbel bottom and a reservation ironware firm welding at tube 1 top, firm between the temporary fixed steel corbel top with being no less than the mutual drawknot of Φ 20 reinforcing bars.Slowly water tank 2 is transferred according to the anti-operation of water tank hoisting then in place, and with mounted built-in fitting of water tank bottom and temporary fixed steel corbel firm welding.Construction supporting ring flat-plate to be supporting water tank 2 at last, and the supporting ring flat-plate construct that the back is torn open according to pacifying afterwards earlier, the principle dismounting hydraulic lifting apparatus 4 of load-supporting part dismounting behind the first link.
4, engineering ending
Round-off work comprises following content successively: people's well and platform are built, water tank construction of waterproof layer, tower interior conduit are installed, cat ladder is installed in the tower, water tank lower ring waterproofing node is handled, the transom window top cover is built, aeronautical beacon is installed, tube is decorated outward, door and window is installed, check etc. is built → tried the water to aproll.
Claims (5)
1. the hydraulic pressure of a water tower is slided lift construction method, described job practices comprises water tower foundation construction, water tower branch barrel construction, water tank construction and four steps of engineering ending, it is characterized in that described water tower branch barrel construction is to finish by the hydraulic sliding mould construction method, this hydraulic sliding mould construction method specifically may further comprise the steps:
(1) checks before the dress: after treating that the water tower foundation construction is finished, along the bearing of trend of water tower branch barrel reinforcing bar and various built-in fitting are installed in barrel construction place near the basis, and the every inspection before constructing, after meeting the requirements, begin to install hydraulic slip-form device from basic rim of a cup end face;
(2) installation of hydraulic slip-form device: earlier from the basic rim of a cup end face stud of upwards pegging graft, and, place a central tube in the water tower branch barrel center of design then, enclose the radiation beam at peripheral affixed one of central tube by design pitch colligation arc of horizon muscle on stud; An affixed circle connects column below the radiation beam, lays laminate to form a sliding-mode platform above the radiation beam; An affixed internal mold bracing frame on the central tube outer wall below the radiation beam is installed hydraulic control panel, hydraulic pressure climbing device and fluid pressure line on sliding-mode platform then, and to the interspersed sliding formwork support bar in hydraulic pressure climbing device center; Prop up the outer steel mould that a moulding is used in described connection column installed inside again, prop up the interior punching block that the tube moulding is used peripheral installation of described internal mold bracing frame, and support the vertical pay-off of a cover by the top truss that set up the central tube top; At last the sliding formwork framework that has installed is upwards sliding thereunder hang again after rising a height connect in hanger and pylon, finish the installation of whole hydraulic slip-form device;
(3) sliding formwork jacking: carry out the facility linkage test earlier after the hydraulic slip-form device assembling finishes, after the facility linkage test is qualified, begins to carry out first floor and prop up building of barrel; Promote inside and outside punching block by described hydraulic slip-form device after having built first floor, build the second layer again and prop up barrel; Constantly repeat the sliding formwork jacking operation of this step, reach design height until the water tower branch barrel of having built;
(4) first construction of tube and hydraulic slip-form device are dismantled: after the sliding formwork jacking was finished, a tube tube head and the first column of tube again constructed; Remove described hydraulic slip-form device after construction is finished, and carry out the construction of subsequent step.
2. the hydraulic pressure of water tower according to claim 1 is slided lift construction method, it is characterized in that in the described sliding formwork jacking step, the concrete operations operation that hydraulic slip-form device promotes inside and outside punching block is: after one deck concreting in the inside and outside punching block finishes, open all hydraulic fuel tap on the fluid pressure line, send oil to give the hydraulic pressure climbing device by hydraulic control panel, the hydraulic pressure climbing device is subjected to upwards to climb along described sliding formwork support bar behind the oil pressure, climb transfer behind the height in, leveling, oil return also stops to climb, and builds next layer concrete again.
3. the hydraulic pressure of water tower according to claim 1 and 2 is slided lift construction method, it is characterized in that described water tank construction specifically may further comprise the steps:
(1) water tank is prefabricated: after the water tower branch barrel construction finishes, at the prefabricated water tank of elder generation on a ground of tube;
(2) installation of hydraulic lifting apparatus: water tank is prefabricated finish after, one ring beam base is fixed on the first column of reserving at a tube top of tube, on the ring beam base, ring holder is installed, affixed steel perimeter beam down on ring holder, circumferentially evenly fix several hydraulic jack in following steel perimeter beam upper edge, placing steel perimeter beam on the hydraulic jack; One circle suspension rod assembly is installed on upper and lower steel perimeter beam then, is made the suspension rod assembly pass upper and lower steel perimeter beam and hang to connect with prefabricated water tank; Finish the installation of whole hydraulic lifting apparatus;
(3) water tank hoisting: before at described hydraulic lifting apparatus the back being installed, promoting, carry out real lotus pressure testing test and oil circuit overvoltage test, begin to carry out the lifting of water tank after qualified on inspection; Make the described steel perimeter beam of going up of hydraulic jack jacking when beginning to promote earlier, and the suspension rod assembly that drive is stuck on the steel perimeter beam rises, treat to make the suspension rod assembly be stuck in down the steel perimeter beam place simultaneously after hydraulic jack is finished a stroke, allow the hydraulic jack oil return then, last steel perimeter beam falls after rise thereupon, make again on the last steel perimeter beam after the suspension rod assembly is stuck in falling simultaneously, finish once promoting circulation; Repeat this step and continue to promote, and in lifting process, constantly shorten the suspension rod assembly, until water tank hoisting is arrived design height;
(4) water tank construction in place and hydraulic lifting apparatus are removed: when water tank hoisting behind design height, water tank is fixed in the water tower branch barrel top, remove hydraulic lifting apparatus at last.
4. the hydraulic pressure of water tower according to claim 3 is slided lift construction method, it is characterized in that in the described water tank hoisting step, the concrete operation method that once promotes circulation is: at first by the upper cap nut that is enclosed within on the suspension rod assembly suspension rod assembly is stuck on the steel perimeter beam, make steel perimeter beam in the logical oil pressurization of the described hydraulic jack jacking then, last steel perimeter beam drives whole suspension rod assembly by the jacking upper cap nut and rises, and the suspension rod assembly drives its bottom and hangs the water tank rising that connects; After treating that described hydraulic jack is finished a stroke, by the following nut that is enclosed within on the suspension rod assembly suspension rod assembly is stuck in down on the steel perimeter beam, allows the hydraulic jack oil return then, last steel perimeter beam falls after rise with hydraulic jack; Make on the last steel perimeter beam after the suspension rod assembly is stuck in falling simultaneously by adjusting back described upper cap nut at last, finish once promoting circulation.
5. the hydraulic pressure of water tower according to claim 4 is slided lift construction method, it is characterized in that described suspension rod assembly comprises the lifting screw mandrel that its top is provided with, lifting screw mandrel below is the lifting round bar and the hanger rod connecting piece of spreading constantly, the concrete operation method that shortens the suspension rod assembly in the described water tank hoisting step is: after the lifting screw mandrel at described top rises to the top, hanging the lifting screw mandrel from the top does not fall down it, untie hanger rod connecting piece then and unload next root lifting round bar, to lift screw mandrel again and transfer, again by in the hanger rod connecting piece continued access with unloaded adjacent other two rod members of lifting round bar.
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| CN2009100429016A CN101538936B (en) | 2009-03-19 | 2009-03-19 | Hydraulic slip-and-lift construction method for water tower |
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| CN2009100429016A CN101538936B (en) | 2009-03-19 | 2009-03-19 | Hydraulic slip-and-lift construction method for water tower |
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| CN101538936B true CN101538936B (en) | 2011-04-06 |
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Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102051995B (en) * | 2010-12-24 | 2012-07-18 | 二十三冶建设集团有限公司 | Hoisting method of hyperbolic water-tower water tank and hoisting device |
| CN102704681B (en) * | 2012-06-05 | 2015-12-09 | 贵州开磷建设集团有限公司 | A kind of steel concrete straight tube towering structure hydraulic sliding mould construction method |
| CN103754791A (en) * | 2014-01-17 | 2014-04-30 | 山西省第二建筑工程公司 | Method for lifting water-tower 1000m<3> water tank by utilizing prestressed strands |
| CN104727545A (en) * | 2015-04-08 | 2015-06-24 | 中国十九冶集团有限公司 | Hydraulic sliding-mode vertical transportation system and method for large water tower barrel |
| CN107313591B (en) * | 2017-09-05 | 2019-08-13 | 温州焕宏纺织品有限公司 | Kiloton water tower construction method |
| CN110656766A (en) * | 2019-11-02 | 2020-01-07 | 上海建工一建集团有限公司 | Electric control rotary lifting type steel platform integral lifting device and construction method thereof |
| CN110792038B (en) * | 2019-11-11 | 2021-06-25 | 山东交通学院 | Self-propelled mold hanging tool and method for high-altitude cast-in-place of tie rod arch bridge beam |
| CN112814464A (en) * | 2020-12-31 | 2021-05-18 | 广西建工集团第五建筑工程有限责任公司 | Construction method for lifting large-scale accident water tower reservoir |
| CN113137060B (en) * | 2021-04-23 | 2022-11-18 | 武汉京冶中城建设有限公司 | Water tank hoisting device of water tower and construction method thereof |
| CN113152978B (en) * | 2021-05-08 | 2023-05-05 | 中铁建设集团中南建设有限公司 | Hydraulic self-lifting construction method based on inverted cone water tank |
| CN114319990A (en) * | 2021-12-15 | 2022-04-12 | 中国三冶集团有限公司 | Inverted cone shell water tower construction process |
| CN114856287B (en) * | 2022-05-24 | 2024-03-22 | 广西路桥工程集团有限公司 | Construction method of thin-wall steel cylinder hollow tower column |
| CN115198880A (en) * | 2022-07-14 | 2022-10-18 | 中国十九冶集团有限公司 | Construction method of inverted cone round barrel concrete structure |
| CN115142666B (en) * | 2022-08-17 | 2024-06-14 | 中国建筑第八工程局有限公司 | Reverse cone shell water tower construction device and method thereof |
| CN116305468B (en) * | 2023-03-17 | 2024-06-14 | 青岛理工大学 | Method for calculating bearing capacity of vertical support rod piece of combined support system of outer steel frame and inner straight cylinder of water tower |
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